Re: Disk Structures

From: Marco Moock <mm_at_dorfdsl.de>
Date: Sun, 14 Dec 2025 06:06:53 UTC
On 13.12.2025 13:54 Doug Hardie <bc979@lafn.org> wrote:

> There are the two partitions I expected.  A boot partition, and a
> data partition.  Looking at the df output:
> 
> mail# df -h
> Filesystem          Size    Used   Avail Capacity  Mounted on
> /dev/ufs/rootfs     108G    9.1G     90G     9%    /
> devfs               1.0K      0B    1.0K     0%    /dev
> /dev/msdosfs/EFI     50M     25M     25M    50%    /boot/efi
> tmpfs                12G     85M     12G     1%    /tmp
> /dev/da0s2           25G    1.3G     22G     6%    /mailbkup
> mail# 
> 
> The entries for / and /boot/efi are not at all what I expected.  The
> /mailbkup seems normal.  How do I make sense of all this?

If that system uses EFI to boot, those partitions need to exist as they
contain the EFI bootloader.

Is that the case for your machines?

efibootmgr shows you that in case you booted in EFI mode. 

-- 
kind regards
Marco

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